13710729681 has 32 divisors (see below), whose sum is σ = 22699232640. Its totient is φ = 8106854400.

The previous prime is 13710729673. The next prime is 13710729733. The reversal of 13710729681 is 18692701731.

It is not a de Polignac number, because 13710729681 - 2³ = 13710729673 is a prime.

It is a super-2 number, since 2×13710729681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13710722681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550800 + ... + 575153.

It is an arithmetic number, because the mean of its divisors is an integer number (709351020).

Almost surely, 2^13710729681 is an apocalyptic number.

13710729681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13710729681 is a deficient number, since it is larger than the sum of its proper divisors (8988502959).

13710729681 is a wasteful number, since it uses less digits than its factorization.

13710729681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126014 (or 1126008 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 13710729681 in words is "thirteen billion, seven hundred ten million, seven hundred twenty-nine thousand, six hundred eighty-one".